As far as sleeping bags go, 3lb 7oz is pretty light, especially when you're talking about a bag that will keep you warm in the dead of winter. On top of all the warmth, the Big Agnes Storm King 0-degree Sleeping Bag has a roomy rectangular design and can even be zipped together with another rectangular Big Agnes bag. The main reason for such a light weight is the fact that Big Agnes eliminated unnecessary insulation from the bottom of the bag. When you're sleeping on top of insulation, it doesn't keep you warm because it has no loft and therefore no air (or heat) is trapped inside. Instead, Big Agnes put a Sleeping Pad sleeve in its place, so you have the trapped air in the sleeping pad keeping you warm, and at the same time your pad stays underneath you. On to top of that, Big Agnes went with a hydrophobic down fill, so the Storm King will maintain insulating properties if it should happen to get wet.
- A lightweight sleeping bag ideal for winter camping
- Sleeping pad sleeve keeps your pad in place
- Hydrophobic down fill keeps you insulated
- Semi-rectangular design for room and comfort
- Item #BAG00A5
- Q & A
Zipped it all the way up
- Familiarity: I've used it once or twice and have initial impressions
I'm 5'9", 250 pounds, and was able to zip the regular sized bag all the way up and sleep on my side. I slid a Klymit insulated Static V sleeping pad into the sleeve and my hip and shoulder did not touch the ground. It's really nice not slipping off the sleeping pad. There's about an 8 inch strip down the middle of the bottom of the bag with no insulation though there is fabric between the sleeping pad and your body. The zipper can be unzipped from just above the foot box to allow venting from the lower area of the bag as well. The stuff sack on the regular is 9"x20". A stuff sack and a storage sack are included.
How small will this bag compress?